Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Want a fun way to teach your kid to tell time? Making a plate clock is a great way for him to learn how to tell time in a way he'll actually find exciting.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

Science fair project that cultivates slime mold and monitors the stages of its development.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

This project compares different liquids and the freezing, melting and boiling points of liquids.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

The objective of this experiment is to evaluate the effects of acid rain on plants.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

This project examines the concentration of dissolved oxygen in water, with and without oil.

This experiment investigates if stress alters body temperature.

Your child can create his own texture tree, experimenting with design during the process. The result will be a beautiful addition to your holiday decorations

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!